detent vs ratchet

detent and ratchet both are nouns.

Word	Noun	Adjective	Verb	Adverb
detent	Yes	No	No	No
ratchet	Yes	No	Yes	No

detent (noun)	ratchet (noun)
a hinged catch that fits into a notch of a ratchet to move a wheel forward or prevent it from moving backward	mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction

detent (verb)	ratchet (verb)
	move by degrees in one direction only